Brain Teasers
Chickens
A farmer knows that 20 of his hens, housed in 3 coops, will hatch 30 eggs in 21 days. How long will it take 30 hens, housed in 4 coops to hatch the same number of eggs?
Answer
You can't shorten the process of egg-hatching by increasing the number of chickens. Therefore, 30 hens will also need 21 days to hatch their eggs.Hide Answer Show Answer
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